81336398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16729}}^1$

素因数の和:16772

約数の個数: 32

約数和(自身を含む): 151774560

約数和(自身を除く): 70438162

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4862, 16729, 33458, 184019, 217477, 284393, 368038, 434954, 568786, 2392247, 3128323, 3697109, 4784494, 6256646, 7394218, 40668199, 81336398]

約数ペア:

[(1, 81336398), (2, 40668199), (11, 7394218), (13, 6256646), (17, 4784494), (22, 3697109), (26, 3128323), (34, 2392247), (143, 568786), (187, 434954), (221, 368038), (286, 284393), (374, 217477), (442, 184019), (2431, 33458), (4862, 16729)]